References for Revelation 6:5

6
Then I heard what sounded like a voice among the four living creatures,13 saying, "A quarta of wheat for a day's wages,b and three quarts of barley for a day's wages,c14 and do not damage15 the oil and the wine!"

References for Revelation 6:7

8
I looked, and there before me was a pale horse!17 Its rider was named Death, and Hades18 was following close behind him. They were given power over a fourth of the earth to kill by sword, famine and plague, and by the wild beasts of the earth.19